ARNOUT, A. Femke Knoop, Hirsch & Cie Amsterdam (1882-1976). Haute couture op het Leidseplein . BMGN - Low Countries Historical Review, [S. l.], v. 136, 2021. DOI: 10.51769/bmgn-lchr.11082. Disponível em: https://bmgn-lchr.nl/article/view/11082. Acesso em: 25 jan. 2022.